Gray-shanked Douc Langur vs Ruff

Pygathrix cinerea compared with Calidris pugnax

Key Differences

• Gray-shanked Douc Langur is Critically Endangered while Ruff is Least Concern.

Taxonomic Classification

Rank	Gray-shanked Douc Langur	Ruff
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Aves (鳥類)
Order	Primates (サル目)	Charadriiformes (チドリ目)
Family	Cercopithecidae (Old World Monkeys)	Scolopacidae
Genus	Pygathrix	Calidris
Species	Pygathrix cinerea	Calidris pugnax

Evolutionary Relationship

Gray-shanked Douc Langur and Ruff share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Gray-shanked Douc Langur

CR — Critically Endangered

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Gray-shanked Douc Langur	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-shanked Douc Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ruff

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela).

Ruff

Ruff（Calidris pugnax）は IUCN レッドリストで軽度懸念（LC）に分類されている。分布域全体に広く分布し個体数も豊富で、個体群は安定しており差し迫った保全上の懸念はない。